/*
 * Copyright 2009 Johnson Consulting Services
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.johnsoncs.gwt.widgets.client.dynamictable.impl;

import com.google.gwt.user.client.Timer;

/**
 * Opera specific implementation of DynamicTable
 * @author wilj
 *
 * @param <T> the generic type with which the table structure is associated
 */
public class DynamicTableImplOpera<T> extends DynamicTableImplDefault<T> {

	private Timer keyDownTimer = null;

	@Override
	protected int getRelativeMouseWheelVelocity(final int velocity) {
		return velocity / 4;
	}

	/* (non-Javadoc)
	 * @see com.johnsoncs.gwt.widgets.client.dynamictable.impl.DynamicTableImplDefault#handleKeyDown(int)
	 */
	@Override
	protected boolean handleKeyDown(final int keyCode) {
		final boolean result = super.handleKeyDown(keyCode);
		if (result) {
			if (keyDownTimer != null) {
				keyDownTimer.cancel();
			}
			keyDownTimer = new Timer() {
				@Override
				public void run() {
					repeatKeyDown(keyCode);
				}
			};
			keyDownTimer.scheduleRepeating(100);

		}
		return result;
	}

	/* (non-Javadoc)
	 * @see com.johnsoncs.gwt.widgets.client.dynamictable.impl.DynamicTableImplDefault#handleKeyUp(int)
	 */
	@Override
	protected boolean handleKeyUp(final int keyCode) {
		super.handleKeyUp(keyCode);
		if (keyDownTimer != null) {
			keyDownTimer.cancel();
			keyDownTimer = null;
		}
		return false;
	}

	private void repeatKeyDown(final int keyCode) {
		super.handleKeyDown(keyCode);
	}

}
